AJG VP granted 13,331 stock options

Arthur J. Gallagher & Co. reported that Vice President Mark H. Bloom acquired a grant of 13,331 non-qualified stock options on March 1, 2026.

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. reported that Vice President Mark H. Bloom acquired a grant of 13,331 non-qualified stock options on March 1, 2026. The Form 4 labels this as a grant or award acquisition, with a reported price of $0.00 per option.

According to the footnote, one-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date, creating a multi-year vesting schedule tied to the original award.

Insider Trade Summary

Grant/Award: 13,331 shares

Grant/Award 1 txn

Insider Bloom Mark H.

Role Vice President

Type	Security	Shares	Price	Value
Grant/Award	Non-qualified Stock Option	13,331	$0.00	$0.00

Holdings After Transaction: Non-qualified Stock Option — 13,331 contracts (Direct)

Footnotes (1)

1. F1. One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did AJG executive Mark H. Bloom report on this Form 4?

Mark H. Bloom reported acquiring a grant of 13,331 non-qualified stock options in Arthur J. Gallagher & Co. The Form 4 describes the transaction as a grant or award acquisition occurring on March 1, 2026, with a reported price of $0.00 per option.

How many stock options did AJG Vice President Mark H. Bloom receive?

Mark H. Bloom received 13,331 non-qualified stock options in this transaction. The Form 4 shows 13,331 derivative securities acquired, with 13,331 total derivative securities owned directly following the transaction, reflecting the entire reported grant amount.

What type of security was involved in Mark H. Bloom’s AJG Form 4 filing?

The security reported is a non-qualified stock option of Arthur J. Gallagher & Co. These are derivative securities, and the filing records an acquisition of 13,331 options through a grant or award, rather than an open-market purchase or sale of common shares.

When do Mark H. Bloom’s AJG stock options become exercisable?

The options vest over three years starting in the third year after grant. The footnote states that one-third of the stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the March 1, 2026 grant date.

Did Mark H. Bloom buy or sell AJG shares in this Form 4?

This Form 4 reports an acquisition of derivative securities, not a sale of shares. It records a grant or award of 13,331 non-qualified stock options to Mark H. Bloom, with no indicated buy or sell of underlying common stock.

What ownership type is reported for Mark H. Bloom’s AJG stock options?

The Form 4 lists the ownership as direct for these options. After the grant of 13,331 non-qualified stock options, the total derivative securities beneficially owned directly by Mark H. Bloom is reported as 13,331, with no indirect ownership description in the data provided.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/03/2026 - 06:44 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bloom Mark H.

(Last) (First) (Middle)

2850 GOLF ROAD

(Street)

ROLLING MEADOWS 60008

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Arthur J. Gallagher & Co. [ AJG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Vice President

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-qualified Stock Option	$228.2	03/01/2026		A		13,331		(1)	03/01/2033	Common Stock	13,331	$0	13,331	D

Explanation of Responses:

1. One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Remarks:

Ex-24: Power of Attorney.

	/s/ Monica Norzagaray, by power of attorney	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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